Product comparison · 2 cpus

Acer Intel Pentium G6951 vs Acer Intel Xeon E3-1220 v2

35specifications compared
21differ
14identical
26known for one product only

Key differences

The Acer Intel Xeon E3-1220 v2 has 0.3 GHz more processor base frequency than the Acer Intel Pentium G6951 (3.1 GHz vs 2.8 GHz). The Acer Intel Xeon E3-1220 v2 has 2 more processor cores than the Acer Intel Pentium G6951 (4 vs 2). The Acer Intel Pentium G6951 has 4 nm more processor lithography than the Acer Intel Xeon E3-1220 v2 (32 nm vs 28 nm). Processor family: Intel Pentium G on the Acer Intel Pentium G6951, Intel® Xeon® E3 V2 Family on the Acer Intel Xeon E3-1220 v2. Processor model: G6951 on the Acer Intel Pentium G6951, E3-1220V2 on the Acer Intel Xeon E3-1220 v2.

Processor family
- Intel Pentium G6951:Intel Pentium G
- Intel Xeon E3-1220 v2:Intel® Xeon® E3 V2 Family
Processor model
- Intel Pentium G6951:G6951
- Intel Xeon E3-1220 v2:E3-1220V2
Processor base frequency
- Intel Pentium G6951:2.8 GHz
- Intel Xeon E3-1220 v2:3.1 GHz
Processor cores
- Intel Pentium G6951:2
- Intel Xeon E3-1220 v2:4
Processor socket
- Intel Pentium G6951:LGA 1156 (Socket H)
- Intel Xeon E3-1220 v2:LGA 1155 (Socket H2)
Processor lithography
- Intel Pentium G6951:32 nm
- Intel Xeon E3-1220 v2:28 nm
Component for
- Intel Pentium G6951:PC
- Intel Xeon E3-1220 v2:Server/workstation
Processor threads
- Intel Pentium G6951:2
- Intel Xeon E3-1220 v2:4

Side by side

Differences highlightedShow differences only

Comparison of Intel Pentium G6951, Intel Xeon E3-1220 v2
61 specifications	A Acer Intel Pentium G6951 View product	B Acer Intel Xeon E3-1220 v2 View product
Processor15 differ
Processor familyDiffers	Intel Pentium G	Intel® Xeon® E3 V2 Family
Processor modelDiffers	G6951	E3-1220V2
Processor base frequencyDiffers	2.8 GHz	3.1 GHz
Processor coresDiffers	2	4
Processor socketDiffers	LGA 1156 (Socket H)	LGA 1155 (Socket H2)
Processor lithographyDiffers	32 nm	28 nm
Package type	Tray	Tray
Component forDiffers	PC	Server/workstation
Processor threadsDiffers	2	4
System bus rateDiffers	2.5 GT/s	5 GT/s
Processor operating modes	64-bit	64-bit
Processor cacheDiffers	3 MB	8 MB
Processor cache type	L3	L3
L3 cache speedDiffers	2.8 GHz	3.1 GHz
Thermal Design Power (TDP)Differs	73 W	69 W
VID Voltage RangeKnown for one	0.6500 - 1.4000 V	Unknown — not stated by the source
Compatible chipsetsDiffers	Intel® H55 Express, Intel® H57 Express, Intel® P55 Express, Intel® Q57 Express	Intel® C202, Intel® C204, Intel® C206, Intel® C216
SteppingDiffers	K0	E1
Bus type	DMI	DMI
Memory bandwidth supported by processor (max)Differs	17 GB/s	25.6 GB/s
Processor codeKnown for one	SLBTF	Unknown — not stated by the source
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.5 GHz
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	31
Memory2 differ
Maximum internal memory supported by processorDiffers	16 GB	32 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	1066 MHz	1333,1600 MHz
Memory channels	Dual-channel	Dual-channel
ECCKnown for one	Unknown — not stated by the source	Yes
Graphicsidentical
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	533 MHz	Unknown — not stated by the source
Number of displays supported (on-board graphics)Known for one	2	Unknown — not stated by the source
Features3 differ
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Market segmentDiffers	Desktop	Server
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express slots versionDiffers	2.0	3.0
PCI Express configurationsDiffers	1x16, 2x8	1x16+1x4, 1x8+3x4, 2x8+1x4
Number of Processing Die TransistorsKnown for one	382 M	Unknown — not stated by the source
Processing Die sizeKnown for one	81 mm²	Unknown — not stated by the source
Number of Graphics & IMC Die TransistorsKnown for one	177 M	Unknown — not stated by the source
Graphics & IMC Die SizeKnown for one	114 mm²	Unknown — not stated by the source
CPU configuration (max)	1	1
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	Yes
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX, SSE4.1, SSE4.2
Processor special featuresidentical
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel FDI TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Smart Cache	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Trusted Execution TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	2.0
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	Yes
Intel® vPro™ Platform EligibilityKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
TcaseKnown for one	72.6 °C	Unknown — not stated by the source
Weight & dimensionsidentical
Processor package size	37.5 mm	37.5 mm
Other features1 differ
Intel® Virtualization Technology (Intel® VT)Differs	VT-x	VT-d, VT-x

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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